combatant. >>> later, the russian connection. we have new details about the older brother, tamerlan, and his six-month trip overseas to russia, that area, as he became increasingly more devout in his religion and radicalism. >>> here in washington, the marathon bombings have already started to change the debate on things like -- you knew this was coming -- immigration. >>> finally, life started to return to normal this weekend in boston. i was up there as the slow healing begins. this is "hardball." as we say up there, "hardball." the place for politics. [ male announcer ] you are a business pro. governor of getting it done. you know how to dance... with a deadline. and you...rent from national. because only national lets you choose any car in the aisle... and go. you can even take a full-size or above, and still pay the mid-size price. this is awesome. [ male announcer ] yes, it is, business pro. yes, it is. go national. go like a pro. by the armful? by the barrelful? the carful? how about...by the bowlful? campbell's soups give you nutrition, energy, and can help you keep a healthy weight.